What evidence does the author provide to support the claim that vitamin supplements are not effective?

CHECK ALL THAT ARE TRUE.

A. Researchers have found that vitamin C supplements are not effective in treating or preventing the common cold.

B. Medical researchers have found that those who take vitamin supplements are just as high a risk for heart disease as those who do not.

C. Smokers who took vitamin E supplements had a higher risk of developing lung cancer than smokers who did not take it.

D. Many people hoped that taking vitamin supplements would reduce the risk of common aliments.

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class

b is the answer for this question.

answer: c

explanation:

comfortable

explanation:

one type of the adjectives is predicate adjective. a predicate adjective is an adjective which follows a linking verb and modifies or refers back to the main subject of that linking verb.

it usually is used just before the noun it modies.

here in this example:

'penguins seem comfortable in the coolest habitats', comfortable is the predicate adjective which follows the linking verb 'seem' and modifies the noun.